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  1. Re: Advice on Cleaning a lens from 1850 (approx)

    At this stage, I've cleaned the glass and given the barrel a very light cleaning and reassembled everything. I originally aimed to remove all of the adhesive residue from the brass, but decided not...
  2. Re: Advice on Cleaning a lens from 1850 (approx)

    My previous measurement was simply across the back of the slightly-misshapen brass of the rear cell with poor access to the optics. I've re-measured now that I have access to the two optical cells...
  3. Re: Advice on Cleaning a lens from 1850 (approx)

    I don't normally look twice at projectors, but when I saw that lens I knew I wanted to get it and bring it back to life as an active photography tool, even if I don't keep it long term (though I...
  4. Re: Advice on Cleaning a lens from 1850 (approx)

    Looks nice and solid! I'll make sure to post some images of mine once I get it all cleaned up.
  5. Re: Advice on Cleaning a lens from 1850 (approx)

    I meant SK Grimes, who you mentioned! I'd love to see some before and after pictures of your lens when you can.
  6. Re: Advice on Cleaning a lens from 1850 (approx)

    I don't plan to throw it out! Parts of it are in pretty rough shape, and the bellows is a little worse off than I originally thought (mice did a number on the bottom of it where I couldn't see before...
  7. Re: Advice on Cleaning a lens from 1850 (approx)

    Thanks! I'll post it over there also.

    Good to know there's a pro I can use if I can't figure it out myself (and a reminder to have a padded workspace if I do try to disassemble it).
  8. Advice on Cleaning a lens from 1850 (approx)

    I recently acquired a Voigtlander & Sohn petzval which had spent nearly the last century attached to a glass slide projector, and the last 50+ years of that in a garage or attic. I plan to return it...
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